C# 无法将RadComboBox.SelectedItem分配给--它是只读的
如果我一直收到此错误消息,即使组合框在标记中设置了C# 无法将RadComboBox.SelectedItem分配给--它是只读的,c#,asp.net,telerik,C#,Asp.net,Telerik,如果我一直收到此错误消息,即使组合框在标记中设置了ReadOnly=“false”属性,我如何设置rad组合框的值 protected void Page_Init(object sender, EventArgs e) { string dateArg = Request.QueryString["date"]; if (dateArg != null) { rcbWeek.SelectedItem = rcbWeek.FindItemByText(d
ReadOnly=“false”
属性,我如何设置rad组合框的值
protected void Page_Init(object sender, EventArgs e)
{
string dateArg = Request.QueryString["date"];
if (dateArg != null)
{
rcbWeek.SelectedItem = rcbWeek.FindItemByText(dateArg);
}
}
以下是如何操作,您可以在Rad控件的文档中找到:
//Use RadComboBoxItem.Selected
RadComboBoxItem item = RadComboBox1.FindItemByText("Item 2");
item.Selected = true;
//Use RadComboBox.SelectedIndex
int index = RadComboBox1.FindItemIndexByValue("2");
RadComboBox1.SelectedIndex = index;
//You can also use the SelectedValue property.
RadComboBox1.SelectedValue = value;